Resilient wheel for vehicles



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7401141!- :111141, lllfllllllll 4 J. F. P. COSTE RSILIENT WHEEL FOR VEHICLES Filed August 50, 1922 atented ct.. 19, 1926.

JEAN :FRANCOIS PASCAL COSTE, 0F BILLANCOURT, FRANCE.

RESILIENT WHEL FOR VEHICLES.

Application filed August 30, 1922, Serial No. 585,179, and in France November 19, ,1921.

This invention relates to wheels for motor vehicles and has for its object a construction of wheel vwhich will give a good suspensionfort of persons using the vehicle. The tractive effect on the Wheels is also improved by the invention.

In carrying the invention into effect ll provide a wheel comprising a central disc with an outer disc on each side thereof and concentric therewith. The central disc and each of the two outer discs are provided with recesses, the recesses in the said central disc being concentric with the corresponding recesses in the outer discs. Within each recess in the central disc is fitted a leaf spring of such width that its lateral edges abut against the walls of the corresponding recesses in the outer discs. The central disc is thus free -V to move in its own plane against the pressure of the springs and means are provided when necessary to prevent relative angular movement of the central disc and the outer discs under tractive effort or braking.

The invention will now be fully described with reference to the accompanying drawings, wherein:

Figure 1 is a side view of a wheel con.

' structed according to the invention.

Figure 2`is a cross section on the line X-f-X-of Figure l. Y

Figures 3 and 4 are views in side elevation of alternative forms of spring means which may be employed within the wheel.

Figure 5 is a central cross section of a wheel constructed according to the invention and provided with a mud vand dust-proof casing fitted thereto.

lin the illustrated embodiment of the invention a flat disc 6 of suitable material such as wood, fibre or metal is adapted to receive the rim of a tire of any type and is disposed between two discs or flitch plates 5 which ahe of less diameter than the disc' 6 which constitutes the rim of the wheel.A

The two outer discs 5 are placed one on each side of the rim disc 6 and concentric there- Y with. The discs 5 are each provided with the central bore 8 by means of which they may be fitted upon the wheel axle with the axle bearing of any suitable or convenient form such as illustrated in Figure 5. The rim disc 6 is provided with a central aperture or bore concentric with each bore 8 but considerably greater in diameter so that the rim disc 6 may have movement in its plane between the discs 5 to a limited extent without engagin with the axlel which passes through the ores 8.

The rim disc 6 is also provided with a plurality of circular apertures arranged eccentrically around the axle bores 8 of the discs 5, and the discs 5 are provided upon their inner faces with recesses or depressions which are concentric with, and equal in diameter to, the apertures 7 of the rim disc. A split looped, preferably longitudinally laminated, spring element 9 is disposed in each aperture 7 of the rim disc so as to lit snugly around the peripheral wall'thereof, and of greater width than the thickness of the rim isc at the apertures so as to extend to each side of the rim disc into the recesses of the outer disc 5 which are aligned with the apertures 7. With this construction, it will be observed that the split spring elements 9 will yieldingly resist movement of the rim disc in its plane, relatively to the outerldiscs 5, and consequently the spring elements will yieldingly resist radial movement of the rim disc by reason of pressure applied thereto at any point of its periphery. rlhe spring elements also provide a rotary traction connection between the discs 5 and the vrim disc 6 to insure their rotation together without preventing the radial movement of the rim disc.

rlhe spring elements 9 at theirends are preferably turned arcuately inward so as to either directly abut with one another, or to be separated slightly from one another. In the event that the ends of the split spring elements are separated somewhat, l preferably interpose between the separated ends, the compression spring 4 such as illustrated in Figure 4 which yieldingly resists collapsing movements of the split spring element. This is an alternative or optional construction. v

When the vehicle provided with wheels of.

Y igure 5- on one or up or absorbed by the split spring elements 9 and will not be communicated to the ve,m hicle airless At the same time the split spring elements insure rotation of the wheel with the rim disc.

lll/ith the compression springs a between the ends of the split sprin elements, greater resiliency will resultn an the split spring elements will return more quickly to their original position after compression by shocks.

rlhe wheel proper, may, it desired, be provided with a dished cover l5 as shown 1n both sides thereof, to protect the component parts of' the wheel ronidust and mud.

Having now particularl described and ascertained the nature of t e invention and the manner of its performance, l declare that what l claim is 1; A resilient wheel for vehicles, com rising. a shell, a rim member located wit rout and extending into said shell with apertures in the portion withinthe shell, said shell having pockets substantially concentric with the apertures in the rim member and oi a depth between opposite faces of the shell greater' than the thickness of the rim member at the apertures, split looped springs contained in said pockets and the apertures ci the rim member for yieldingly resisting radial movement of the latter relatively to the shell, and a compression sprung interposed between the ends of certain of the split springs for resisting collapsing movements of the split springs.

- 2. A resilient wheel for vehicles, comprising a pair of parallel spaced concentric discs, each having depressions with arcuate side recae-ae walls in its inner ace, the depressions being arranged eccentrically of the discs and aligned in pairs, whereby each pair forms an internal pocket, a rim member disposed between the discs so as to extend outwardly around the periphery thereof, said member having therein apertures aligned with and equal in size to the depressions, and a split looped spring element disposed in each aperture of the rim member so as to extend edgewise into both of the depressions of the discs which are aligned therewith, whereby the spring elements will yieldingly resist radial movement of the rim member relatively to the discs.

3. A resilient wheel for vehicles, comprising a pair oit parallel spaced concentric discs, each having depressions with arcuate side walls in its inner face, the depressione being arranged eccentrically of the discs and aligned in pairs, whereby each pair forms an internal pocket, a rim member disposed between the discs so as to extend outwardly around the periphery thereof, said member having therein apertures aligned with and equal in size to the depressions, a split looped spring element disposed in each aperture of the rim member so as to extend edgewise into both of the depressions of the discs which are aligned therewith, whereby the spring elements will yieldngly resist radial movement o the rim member relatively to the discs, and a compression spring interposed between the ends of certain of the split spring elements to resist collapsing movements of the split element.

lin testimony whereof l have signed my name to this specification.

JEAN lFlltAlllClllS PASAL @SYEEG 

